Withdrawal from PLUS

ISIN: GB00B04BP253/GBP/PLUS-exn
24/06/2009
ATI Oil Plc
Martin House
5 Martin Lane
London
EC4R 0DP
Tel: +44 (0)20 7469 2940
Fax: +44 (0)20 7469 2901
Email: info@ati-oil.com
Website: www.ati-oil.com
ATI Oil Plc
("ATI" or "the Company")
Completion of Recommended Offer for ATI
Further to the announcement released by ATI on 23 May 2009, the Board of ATI is pleased to announce
that the acquisition of the Company by Northern has become effective and trading in the new Northern
Shares is expected to begin at 8.00 a.m. on 25 June 2009.
The latest date for despatch of New Northern Share certificates and crediting of CREST accounts under
the Scheme will be 8 July 2009. In accordance with the Scheme, a total of 7,418,480 New Northern
Shares will be issued to Scheme Shareholders on the register at 6.00 p.m. on 22 June 2009. In
addition, pursuant to the proposals made in the Warrantholder Circular dated 28 April 2009, 279,787
New Northern Shares and 408,750 new warrants over shares in the capital of Northern will be issued to
former ATI Warrantholders.
ATI will be withdrawn from trading on PLUS at 16.30 p.m. today.
Terms and expressions used in this announcement shall have the same meanings given to them in the
announcements released by Northern on 3 April 2009 and 29 April 2009.
The Directors of the issuer accept responsibility for this announcement.
For further information please contact:
ATI Oil plc Tel: +44 (0) 20 7469 2940
Per Gunnar Loge, Chief Executive Officer
Chris Foss, Finance Director
KBR (Financial adviser to ATI) Tel: +44 (0) 20 3100 8300
Hugh Oram
Northern Petroleum Plc Tel: +44 (0) 20 7469 2900
Richard Latham, Chairman
Graham Heard, Exploration & Technical Director
Investec (NOMAD and Financial Adviser) Tel: +44 (0) 20 7597 5000
Michael Ansell / Patrick Robb / Avital Lobel